Pen for drawing and ruling purposes



Junie 24, 1930. R. BLANCKERTZ 1,765,901

PEN FOR DRAWINQ" AfiD RULING PURPOSES Filed Oct. 2, 192a H 2, i7 3. 5.4. fig-Q5.

v BLA CKERT Z; oF BERLiN, GER-MANY PEN; F63 n wmqxgm B l-LING rnRgd sESThis' ihventi oii iielates t6 pep fo rf drawing indfliling purposee.which' in, aj 'pre. err d emb m n :i T t vcer ain de rsimilexg'fesfi'egtrds' its 'eofistr et ion; o a

t m I, 'pI lity.

e chpe ib m Of "a; definite thickness.

ht the e ameltime the will ensure the necessary coiitact between.

the and the drawing paper or the like 01'. inbtheriwbrds the lbwervsu'rface of the Said sineill disc or plate which 'ishtojbe aheld'iri'contact with the paperfor't'he like 'idu'xing the drawing opeiatidn,will beQpi'opeily 'silp plied with ink stored ip in theeslot end in thevicinity ther'eQf and this "willIbe' ac'dmf pli'shed by ,the'prbvisio'li of a slotvexterifli rig dowh acros's thei'bend, andpartlyiin'tp the face of the said Sriiall'dis'c; or plate, e

f The small disc or plate forming the active point pffthe'pen may begiven a circulai; elliptic, 101 any other suitable shapiand maylbefintegral' With a penIWhieh in it general. aspect is Isimilar to 'anOrdinary writijlig'pen bi' integfal with a 'shoe adapted 110' he'frictionally attachedQtQ I an prdinary writing penf'or' anybthe'l sdi tof anj-appro priate hol del i 1111 h the ,ease "where the inven; 111011is e the f fofrni of "an I atteghinnt' foi' aii bi i y"w it g p n; evl tfo an in'k holdei' and its elastic slotted point, f gihi to its o ening"when is forced against' 'the iiskil find; f e; t e m n has a;reguletingfeffect .upb'n; the quantity of ink transmittedf-to thefliekcdhtictihg' yvithj the paper and iprdduqing v the lines thereon.

f With the gbQYe' ilebitd. etherjqbjeets in jyiew, iieferenceisfh 1 t0the fgllbwi'ng specifications 'a'nd dfalwiiige e in which there a e h bt a W f X Ple I .i mbfi ments ,[d ftheiiilventioli which are i111 1 0;,wa intended as" 3); limitation upon the: go' 'e of thdppended' blzyims as it i s tb be iclearl understood that vh l iatiqhsfanel modificetienswhich fitirlyfall j 'Withih the true sedpef of the" ap en la ms may be so t f 0 mimfaw mh Q5 qmayrliave any de'sirec;

5 being affront viewthereof; Figures 6 to 8 i show a furthermodification FigureiG being 7 a plan'view of'the blankfFigureT being asideview ofthe finished pen and Figure-'8- beingl'a frontviewsofi the,pen;-F igures;9 to;

'11 illustrate an embodiment ofthe invention View oflthe shoe-shaped'drawin g'pem Fig- 11113 10 being a longitudinal j sectional Viewthereof and V Figure 11" being 1 a ifront 'iriew showing lth sameattached"to a eommon W i ng-1pm; i 2 S e m fid" constifuction of a lsh ishape'd draw ng I pen 7 attached to acommon "writing pen andFig:

ure 13 enlarged ,cross 's'ection along phe line'fl8 f ifFig lrQ'l i 5Referring toFfi'guresl m2 thettapetifig' endyof'the pen'is'elongate'cl'to form a small i's provided therein. Theismall disc a, does not liein'ithe planei ofithe' pen but is bent ofi? i s -that theplan'e of thepen andthe "plane va'ted at a predetermined, angle with relation to thebodyof' the pen; fTheftaperingjend ,off the pen is slotted in its;median line and the slot; Z) extends bByOIl d' the bend c so'thatclearly seen "in th'e severali'views' of the draw i ings, fandfinkflwill belied throng-lithe lam;

the/low a t f tli f fwh ohy s o be held. fiajt conta( :t] with l the Laper: or cardboard du ring' the drawing operation v il" ther qf Inane-modific the lbody' of v the pen cut been outwards r j iipfla largerquantity in than can be done 7 lines.

- C Qmpoundfstructuie', 1 a' further .elementj'be-f i g f df y f n oi fwi lg Pe wh ch has the jfunctioni of a c rrier; or*the draw;

ubular; cusp and a longitudinal 'sl'o t'l b,

Of the discinters'ect and the disc-is fsitu- V V p v I v bend ;0 withouthowever" severing the disc' a 'the jdisca will bepartiallytslottedaswil'l be.

p l pp bvri' dge o ahla' a Wr n n w the mi a kind if n el p -9 h endtime carryingwritingi en, as elmly I r I shown in Figure 131 adapted I iI agI ope aumyt11 disc: 7 I V v ment bi'gthe commune structures ofFigures n re u at n her yiw tran m sion f t0? r r d efl i r r t w 1thits ireejend' r I f r, ineatly n C.Qntac t ;wlllh theibend -33" i bevshalgapigelasticity,7of.

4 poses prov sled with a wr tlng The modification illustrated in Figures6 to 8 comprises a broad plate a of approximately elliptic shape fordrawing verythick In structures of this configuration it is advisable toprovide aplurality of longisponding pluralityrof storage tongues. Inthe-example shown two .slots 7) and two tongues a are provided, the freeendsoiithe p I, lattergljzing many in" contactwitli and ap in the formof a shoe adapted tobe'attached i to a common writing;p en orfany otherap propriate holder, Figure 9 "being a front posite thebend a as abovedescribed. The ink reseryoir forming tongues z is shown as beingarrangedon the upper, front or topside of th'e pen;l desirehowever tohave it understood'that any other. arrangement gistof the invention;

i f d i itz 'l l? l p p pe f m on y one e me of a ing penijproperfgan'cl'of a reguuun device] a for the inksu'pplyl According to Figures 9"an d'10 the "eles ment of thefcompou'nd structure of Figure 11 which forms'the'?'drawing1 pen proper is;

providedwith 'a jbentfoff disc like 'pointjla i Q 7 and withlongitudinal"slot fb'; crossinggthe 95 entirely, The like "bodyfportionguidesj'so'as' to give Iit'thef'character off a shoe, adapted QO bGfSllPPGQflIPOIl "afsuitable 100 11:5 12 and13'the1 hoe 1i-kee1eme eorme 0t:

a; 1 forming sliding guides a upct 'it'abl the resilient shanksjof t pin J a be p p r Q js'eid jg g udin il l v extenditudinaljslotsand=preferablyfalsoi a corre- ?Q 7 r t a 80 could be used ,Withoutjd'partureifrom' .7

draw- Y v r lde'd with-twoflateral 1 a flanges or wingsff bentf'to 'form sliding 1'15 7 i i g and 12 lrpressesion,theislotted'point 'of, 'j II I p own in Figures'stos, i V 7 *1 the @611 is P iQY'iQsdi wi hjameans,"cons titut n more 1 il r ingakindofareservoirforink Toflthisieild515126. a The ';I

the rim thereof, the rim of said disc being unbroken.- v

2. A pen structure for drawing and ruling purposes comprising twoelements, the,

5 one consisting of a normal writing pen having a tapering slotted end,the other forming a shoe member havingflanges cooperating with thelateral edges of saidwritin pen to attach the said member thereto, sai

shoe member terminating in an angularly disposed disc for surfacecontact with the paper, and a longitudinal slot in said disc andterminating short of the rim thereof, saidrim being unbroken. v a a 3.The structure as in claim 2 wherein 1 the end of the writing pennormallyrests on theupper surface of said disc, whereby pressure on said discspreads the shanks' of said writing pen.

4.'The structure as inzclaim 2 wherein said shoe member has a "pair ofbent-in edges adjacent saiddisc forreceiving a supply of ink. v V

5. A pen .for drawing and ruling pur- V poses, comprising a body havinga tapering end, a small plate integral therewith to form the extremitythereof and which is bent out of the plane of said tapering end,alongitudinal slot in the body and extending into I said plate andterminating short of the rim I thereof, the rim of the plate beingunbroken, and lateral wings bentov er to form sliding guides forattachment to a suitably shaped'holder. r o a .35 6. -A"pen structurefor drawing and ruling purposes comprising'two elements hav ing taperingends arranged insuperposition l. to each other, .the one elementforming-[the drawing pen proper being provided with a i 40 small plateforming the extremity of the n taperingend, said plate being bent outofthe plane of the taperingv end, a l'ongitudi nal slot in the plate andcrossing the bend betweensaid plate and the adjacent'portion of theelement and terminating short of the rim of said plate, said platehaving an unbroken rim, the compound structure con-.

sisting of a normal writing" pen,the' point thereof substantiallycoinciding with; the bend in the first named; element. In witnesswhereof I afiixmy signature. RUDOLF BLANCKERTZ; I

